The iPhone 4's first pre-ordering day has been a total disaster. AT&T&'s online system has collapsed, there are account security breaches, Apple's online upgrades are down, and stores are now using pen and paper to process sales. Updating live...<img src="http://feeds.feedburner.com/~r/digg/news/container/technology/popular/~4/Mlj5HggvjjA" height="1" width="1"/>